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A031182 Periods of sum of fourth powers of digits iterated until the sequence becomes periodic. 0
1, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 1, 7, 7, 7, 7, 1, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 2, 7, 7, 7, 7, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Digitaddition

CROSSREFS

Sequence in context: A195413 A083947 A112114 * A106705 A010727 A186684

Adjacent sequences:  A031179 A031180 A031181 * A031183 A031184 A031185

KEYWORD

nonn,base

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified February 17 02:08 EST 2012. Contains 205978 sequences.